Cannabis doubles risk of car crashes
10th February 2012
By Staff writer
The added risk was particularly seen in studies that focused on fatal crashes, according to the review of nine studies including almost 50,000 cannabis-affected drivers and controls.
“The pooled risk of a motor vehicle collision while driving under the influence of cannabis was almost twice the risk while driving unimpaired,” the authors said.
Driving under the influence of cannabis – either self-reported or confirmed via blood test – was seen to increase crash risk compared to unimpaired driving by an overall 92%.
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